<template>
  <div>
    <Button size="large" type="text" @click="backHome">返回首页</Button>
    <Button size="large" type="text">返回上一页({{ second }}s)</Button>
  </div>
</template>

<script>
  import './error.less'

  export default {
    name: 'backBtnGroup',
    data() {
      return {
        second: 5,
        timer: null
      }
    },
    methods: {
      backHome() {
        this.$router.replace({
          name: this.$config.homeName
        })
      },
      backPrev() {
        this.$router.go(-1)
      }
    },
    mounted() {
      this.timer = setInterval(() => {
        if (this.second === 0) this.backPrev()
        else this.second--
      }, 1000)
    },
    beforeDestroy() {
      clearInterval(this.timer)
    }
  }
</script>
